plot_reg function

Constructs the rate evolution graph for a categorical time series

plot_reg constructs the rate evolution graph proposed by if(!exists(".Rdpack.currefs")) .Rdpack.currefs <-new.env();Rdpack::insert_citeOnly(keys="ribler1997visualizing;textual",package="ctsfeatures",cached_env=.Rdpack.currefs) . UTF-8

plot_reg(
  series,
  title = "Rate evolution graph",
  linear_fit = FALSE,
  cat_res = NULL,
  ...
)

Arguments

• series: An object of type tsibble (see R package tsibble), whose column named Value contains the values of the corresponding CTS. This column must be of class factor and its levels must be determined by the range of the CTS.
• title: The title of the graph.
• linear_fit: Logical. I TRUE, the corresponding least squares lines are incorporated to the graph
• cat_res: If this parameter is set to any of the categories of the series, then the function returns a graph of residuals for the linear model associated with the corresponding category
• ...: Additional parameters for the function.

Returns

The rate evolution graph.

Details

Given a CTS of length $T$ with range $\mathcal{V}=\{1, 2, \ldots, r\}$, $\overline{X}_t=\{\overline{X}_1,\ldots, \overline{X}_T\}$, and the corresponding binarized time series, $\overline{\boldsymbol Y}_t=\{\overline{\boldsymbol Y}_1, \ldots, \overline{\boldsymbol Y}_T\}$, the function constructs the rate evolution graph. Specifically, consider the series of cumulated sums given by $\overline{\boldsymbol C}_t=\{\overline{\boldsymbol C}_1, \ldots, \overline{\boldsymbol C}_T\}$, with $\overline{\boldsymbol C}_k=\sum_{s=1}^{k}\overline{\boldsymbol Y}_s$, $k=1,\ldots,T$. The rate evolution graph displays a standard time series plot for each one of the components of $\overline{\boldsymbol C}_t$

simultaneously in one graph.

Examples

sequence_1 <- GeneticSequences[which(GeneticSequences$Series==1),]
reg <- plot_reg(sequence_1) # Constructing the rate
# evolution graph for the first time series in dataset GeneticSequences

References

Rdpack::insert_ref(key="ribler1997visualizing",package="ctsfeatures")

Author(s)

Ángel López-Oriona, José A. Vilar